Critical Infrastructure Security & Compliance Programme
Challenge
A nuclear facility operator required a comprehensive security review and compliance programme aligned with strict regulatory requirements governing cyber systems that could affect safety functions. Legacy infrastructure had evolved organically over years, resulting in undocumented attack surfaces, configuration drift, and significant compliance gaps.
Solution
Conducted structured security assessments across classified and unclassified network segments, identified and prioritised vulnerabilities by risk impact, and designed a remediation roadmap aligned with applicable regulatory frameworks. Implemented hardening measures across server, network, and application layers, and produced compliance-ready documentation for regulatory review.
Outcome
Full compliance readiness achieved for regulatory inspection. Critical and high-severity vulnerabilities eliminated. A documented security baseline and repeatable assessment process established for ongoing operations.